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-rw-r--r--nx-X11/lib/Xext/Xcup.c265
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diff --git a/nx-X11/lib/Xext/Xcup.c b/nx-X11/lib/Xext/Xcup.c
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+/* $XFree86: xc/lib/Xext/Xcup.c,v 1.8 2002/10/16 02:19:22 dawes Exp $ */
+/*
+
+Copyright 1987, 1988, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+/* $Xorg: Xcup.c,v 1.5 2001/02/09 02:03:49 xorgcvs Exp $ */
+
+#ifdef WIN32
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Xwindows.h>
+#endif
+
+#define NEED_EVENTS
+#define NEED_REPLIES
+#include <X11/Xlibint.h>
+#include <X11/extensions/Xcupstr.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+
+static XExtensionInfo _xcup_info_data;
+static XExtensionInfo *xcup_info = &_xcup_info_data;
+static char *xcup_extension_name = XCUPNAME;
+
+/*****************************************************************************
+ * *
+ * private utility routines *
+ * *
+ *****************************************************************************/
+
+static int close_display(Display *dpy, XExtCodes *codes);
+static /* const */ XExtensionHooks xcup_extension_hooks = {
+ NULL, /* create_gc */
+ NULL, /* copy_gc */
+ NULL, /* flush_gc */
+ NULL, /* free_gc */
+ NULL, /* create_font */
+ NULL, /* free_font */
+ close_display, /* close_display */
+ NULL, /* wire_to_event */
+ NULL, /* event_to_wire */
+ NULL, /* error */
+ NULL, /* error_string */
+};
+
+static XEXT_GENERATE_FIND_DISPLAY (find_display, xcup_info,
+ xcup_extension_name,
+ &xcup_extension_hooks,
+ 0, NULL)
+
+static XEXT_GENERATE_CLOSE_DISPLAY (close_display, xcup_info)
+
+
+/*****************************************************************************
+ * *
+ * public Xcup Extension routines *
+ * *
+ *****************************************************************************/
+
+Status
+XcupQueryVersion(
+ Display* dpy,
+ int* major_version_return,
+ int* minor_version_return)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ xXcupQueryVersionReply rep;
+ xXcupQueryVersionReq *req;
+
+ XextCheckExtension (dpy, info, xcup_extension_name, False);
+
+ LockDisplay(dpy);
+ GetReq(XcupQueryVersion, req);
+ req->reqType = info->codes->major_opcode;
+ req->xcupReqType = X_XcupQueryVersion;
+ req->client_major_version = XCUP_MAJOR_VERSION;
+ req->client_minor_version = XCUP_MINOR_VERSION;
+ if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return False;
+ }
+ *major_version_return = rep.server_major_version;
+ *minor_version_return = rep.server_minor_version;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+/* Win32 reserves 20 colormap entries for its desktop */
+#ifndef TYP_RESERVED_ENTRIES
+#define TYP_RESERVED_ENTRIES 20
+#endif
+
+Status
+XcupGetReservedColormapEntries(
+ Display* dpy,
+ int screen,
+ XColor** colors_out,
+ int* ncolors)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ xXcupGetReservedColormapEntriesReply rep;
+ xXcupGetReservedColormapEntriesReq *req;
+ xColorItem rbuf[TYP_RESERVED_ENTRIES];
+
+ *ncolors = 0;
+
+ XextCheckExtension (dpy, info, xcup_extension_name, False);
+
+ LockDisplay(dpy);
+ GetReq(XcupGetReservedColormapEntries, req);
+ req->reqType = info->codes->major_opcode;
+ req->xcupReqType = X_XcupGetReservedColormapEntries;
+ req->screen = screen;
+ if (_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+ long nbytes;
+ xColorItem* rbufp;
+ int nentries = rep.length / 3;
+
+ nbytes = nentries * SIZEOF (xColorItem);
+ if (nentries > TYP_RESERVED_ENTRIES)
+ rbufp = (xColorItem*) Xmalloc (nbytes);
+ else
+ rbufp = rbuf;
+
+ if (rbufp == NULL) {
+ _XEatData (dpy, (unsigned long) nbytes);
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return False;
+ }
+ _XRead (dpy, (char*) rbufp, nbytes);
+
+ *colors_out = (XColor*) Xmalloc (nentries * sizeof (XColor));
+ if (*colors_out) {
+ xColorItem* cs = (xColorItem *) rbufp;
+ XColor* cd = *colors_out;
+ int i;
+
+ *ncolors = nentries;
+ for (i = 0; i < *ncolors; i++, cd++) {
+ cd->pixel = cs->pixel;
+ cd->red = cs->red;
+ cd->green = cs->green;
+ cd->blue = cs->blue;
+ cs = (xColorItem*) (((char*) cs) + SIZEOF(xColorItem));
+ }
+ if (rbufp != rbuf) XFree ((char*) rbufp);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+ }
+ if (rbufp != rbuf) XFree ((char*) rbufp);
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return False;
+}
+
+Status
+XcupStoreColors(
+ Display* dpy,
+ Colormap colormap,
+ XColor* colors_in_out,
+ int ncolors)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ xXcupStoreColorsReply rep;
+ xXcupStoreColorsReq *req;
+ xColorItem rbuf[256];
+ xColorItem citem;
+ int i;
+ XColor* xcp;
+
+ XextCheckExtension (dpy, info, xcup_extension_name, False);
+
+ LockDisplay(dpy);
+ GetReq(XcupStoreColors, req);
+ req->reqType = info->codes->major_opcode;
+ req->xcupReqType = X_XcupStoreColors;
+ req->cmap = colormap;
+ req->length += (ncolors * SIZEOF(xColorItem)) >> 2;
+
+ for (i = 0, xcp = colors_in_out; i < ncolors; i++, xcp++) {
+ citem.pixel = xcp->pixel;
+ citem.red = xcp->red;
+ citem.green = xcp->green;
+ citem.blue = xcp->blue;
+
+ /* note that xColorItem doesn't contain all 16-bit quantities, so
+ we can't use Data16 */
+ Data(dpy, (char *)&citem, (long) SIZEOF(xColorItem));
+ }
+
+ if (_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+ long nbytes;
+ xColorItem* rbufp;
+ xColorItem* cs;
+ int nentries = rep.length / 3;
+
+ nbytes = nentries * SIZEOF (xColorItem);
+
+ if (nentries != ncolors) {
+ _XEatData (dpy, (unsigned long) nbytes);
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return False;
+ }
+
+ if (ncolors > 256)
+ rbufp = (xColorItem*) Xmalloc (nbytes);
+ else
+ rbufp = rbuf;
+
+ if (rbufp == NULL) {
+ _XEatData (dpy, (unsigned long) nbytes);
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return False;
+
+ }
+
+ _XRead (dpy, (char*) rbufp, nbytes);
+
+ for (i = 0, xcp = colors_in_out, cs = rbufp; i < ncolors; i++, xcp++, cs++) {
+ xcp->pixel = cs->pixel;
+ xcp->red = cs->red;
+ xcp->green = cs->green;
+ xcp->blue = cs->blue;
+ xcp->flags = cs->flags;
+ }
+ if (rbufp != rbuf) XFree ((char*)rbufp);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return False;
+}
+
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